SAM9G20 Atmel Corporation, SAM9G20 Datasheet - Page 42
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SAM9G20
Manufacturer Part Number
SAM9G20
Description
Manufacturer
Atmel Corporation
Datasheets
1.SAM9261.pdf
(248 pages)
2.SAM9261.pdf
(1274 pages)
3.SAM9261.pdf
(43 pages)
4.SAM9G20.pdf
(42 pages)
5.SAM9G20.pdf
(832 pages)
Specifications of SAM9G20
Flash (kbytes)
0 Kbytes
Pin Count
217
Max. Operating Frequency
400 MHz
Cpu
ARM926
Hardware Qtouch Acquisition
No
Max I/o Pins
96
Ext Interrupts
96
Usb Transceiver
3
Usb Speed
Full Speed
Usb Interface
Host, Device
Spi
2
Twi (i2c)
1
Uart
7
Ssc
1
Ethernet
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
Yes
Adc Channels
4
Adc Resolution (bits)
10
Adc Speed (ksps)
95
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
NO
External Bus Interface
1
Dram Memory
sdram
Nand Interface
Yes
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8/3.3
Operating Voltage (vcc)
0.9 to 1.1
Fpu
No
Mpu / Mmu
No/Yes
Timers
6
Output Compare Channels
6
Input Capture Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
No
- SAM9261 PDF datasheet
- SAM9261 PDF datasheet #2
- SAM9261 PDF datasheet #3
- SAM9G20 PDF datasheet #4
- SAM9G20 PDF datasheet #5
- Current page: 42 of 248
- Download datasheet (2Mb)
Programmer’s Model
2-14
Effects of Control Register on caches
The bits of the Control Register that directly affect the ICache and DCache behavior are:
•
•
•
Bit
[13]
[12]
[11:10]
[9]
[8]
[7]
[6:3]
[2]
[1]
[0]
Copyright © 2001-2003 ARM Limited. All rights reserved.
the M bit
the C bit
the I bit
Name
V bit
I bit
-
R bit
S bit
B bit
-
C bit
A bit
M bit
Function
Location of exception vectors:
0 = Normal exception vectors selected, address range =
1 = High exception vectors selected, address range =
Set to the value of VINITHI on reset.
ICache enable/disable:
0 = ICache disabled
1 = ICache enabled.
SBZ.
ROM protection.
This bit modifies the ROM protection system. See Domain access
control on page 3-24.
System protection.
This bit modifies the MMU protection system. See Domain access
control on page 3-24.
Endianness: 0 = Little-endian operation 1 = Big-endian operation. Set to
the value of BIGENDINIT on reset.
Reserved. SBO.
DCache enable/disable:
0 = Cache disabled
1 = Cache enabled.
Alignment fault enable/disable:
0 = Data address alignment fault checking disabled
1 = Data address alignment fault checking enabled.
MMU enable/disable:
0 = disabled
1 = enabled.
Table 2-11 Control bit functions register c1 (continued)
.
ARM DDI0198D
to
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